from django.shortcuts import get_object_or_404, render
from django.http import HttpResponseRedirect
from django.core.urlresolvers import reverse
from django.views import generic
from django.http import HttpResponse
import datetime

from polls.models import Choice, Poll

def current_datetime(request):
	now = datetime.datetime.now()
	html = "<html><body>It is now %s.</body></html>" % now
	return HttpResponse(html)

def fagomrader(request):
	return render(request, 'polls/fagomrader.html')
	
def frirettshjelp(request):
	return render(request, 'polls/frirettshjelp.html')

def priser(request):
	return render(request, 'polls/priser.html')

def linker(request):
	return render(request, 'polls/linker.html')

def kontakt(request):
	return render(request, 'polls/kontakt.html')

	
class IndexView(generic.ListView):
	template_name = 'polls/index.html'
	context_object_name = 'latest_poll_list'

	def get_queryset(self):
		"""Return the last five published polls."""
		return Poll.objects.order_by('-pub_date')[:5]

class DetailView(generic.DetailView):
	model = Poll
	template_name = 'polls/detail.html'

class FagomraderView(generic.DetailView):
	model = Poll
	template_name = 'polls/fagomrader.html'

class ResultsView(generic.DetailView):
	model = Poll
	template_name = 'polls/results.html'

def index(request):
	latest_poll_list = Poll.objects.all().order_by('-pub_date')[:5]
	context = {'latest_poll_list': latest_poll_list}
	return render(request, 'polls/index.html', context)

def detail(request, poll_id):
	try:
		poll = Poll.objects.get(pk=poll_id)
	except Poll.DoesNotExist:
		raise Http404
	return render(request, 'polls/detail.html', {'poll': poll})

def results(request, poll_id):
	poll = get_object_or_404(Poll, pk=poll_id)
	return render(request, 'polls/results.html', {'poll': poll})

def vote(request, poll_id):
	p = get_object_or_404(Poll, pk=poll_id)
	try:
		selected_choice = p.choice_set.get(pk=request.POST['choice'])
	except (KeyError, Choice.DoesNotExist):
		# Redisplay the poll voting form.
		return render(request, 'polls/detail.html', {
			'poll': p,
			'error_message': "You didn't select a choice.",
		})
	else:
		selected_choice.votes += 1
		selected_choice.save()
		# Always return an HttpResponseRedirect after successfully dealing
		# with POST data. This prevents data from being posted twice if a
		# user hits the Back button.
		return HttpResponseRedirect(reverse('polls:results', args=(p.id,)))